When you have five thousand square metres split between textured wall area and butynol roof area to paint, it's inevitable that thousands of litres of paints will be on the shopping list. The extensive surface area was fraught with undesirable pinholing.
Taupo District Council sought a solution to ongoing moisture issues with the building, with the original texture proving very aggressive and home to pinholes many measuring 1-2mm in width. As neither the original not subsequent paint jobs had resolved the pinholing and moisture issues, successful resolution of both was critical to achieving a satisfactory result. The presence of any pinholing upon completion would have been considered a failure.
Test samples of Resene X-200 weathertight membrane, Resene Thixalon 5 thixotropic weathertight membrane and Resene Flexicover E elastomeric membrane were applied, with the final specification settling on Resene Thixalon 5 sprayed and backrolled to ensure good coverage finished in a protective coat of Resene Multishield+ glaze.
Unfortunately as the project progressed the worst areas of texture did not respond to the specified paint system and after extensive consultation the specification was revised to Resene Flexicover E and Resene X-200 weathertight membrane. This revised system provided benefits through the greater tensile strength of Resene Flexicover E and its pinhole bridging capabilities, and the superb flow of Resene X-200 weathertight membrane that allowed superior film builds in the low points of the texture.
Once the decision to change the specification was agreed, the job progressed quickly and was completed with two coats of Resene Uracryl 403 applied to a height of three metres on external walls as protection against graffiti. The butynol roof was prepared and primed with Resene Membrane Roofing Primer then topcoated in Resene X-200 weathertight membrane providing excellent flow over large flat roof areas free of lap marks.
The final project soaked up over 3000 litres of Resene products in a palette anchored by Resene Friar Grey (stone grey) on the main body joined by Resene Baltic Sea (dark charcoal) on feature and garden walls topped off with Resene Silver Sand (grey salt). Due to weather constraints and project specific requirements, each pail of product was painstakingly tinted by local Resene staff with attention to detail ensuring colour consistency across the project.
Initial concerns about run-off from the Resene Roof Wash and Paint Cleaner and Resene Moss & Mould Killer dilutions used to clean the substrate were allayed throughout the project with no harm detected as the job progressed. Regular and technical contact between the council, applicator and Resene ensured that even with the system review, the complete project was finished at the already tendered price.
The Taupo Great Lake Centre is a very public building, the home of everything from exhibitions to performances. An integral part of the social fabric of Taupo, the team behind its fresh paintwork can bask in the community pride of a job well done.
Building/Technical Consultant: Grenville Thomson
Principal, Property and Project Manager: Norman Chester, Taupo District Council
Resene: Mark Aschoff, Bay of Plenty Branch Manager; Taupo ColorShop
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